from flask import render_template
from app import app,db

#自定义错误页面
@app.errorhandler(404)
def not_found_error(error):
    return render_template('404.html',error=error), 400

@app.errorhandler(500)
def internal_error(error):
    db.session.rollback()
    return render_template('500.html',error=error), 500

